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The Pratt & Whitney R-1830 Twin Wasp is an American air-cooled radial aircraft engine. It has 14 cylinders, arranged in two rings of seven. It displaces and its bore and stroke are both . The design traces its history to 1929 experiments at Pratt & Whitney on twin-row designs. Production began in 1932 and it was widely used during the 1930s.

It was selected as the power plant for both the four-engined Consolidated B-24 Liberator heavy bomber and the twin-engined Douglas DC-3 transport, two of the most-produced aircraft. The production run of 173,618 R-1830 examples

  • Model R-1830-90C on display at the Dutch aviation museum Aviodrome
  • Model R-1830-92 displayed at the Smithsonian Institution's National Air and Space Museum in Washington, DC
  • Model R-1830 on display at the Northeast Classic Car Museum in Norwich, New York
  • Model R-1830 cut-away display at Arizona Commemorative Air Force Museum in Mesa, Arizona

Specifications (R-1830-S1C-G)

thumb|Pratt & Whitney R-1830 "Twin Wasp" (sectioned)

See also

References

Notes

Bibliography

  • Gunston, Bill. World Encyclopedia of Aero Engines: From the Pioneers to the Present Day. 5th edition, Stroud, UK: Sutton, 2006.
  • White, Graham. Allied Aircraft Piston Engines of World War II: History and Development of Frontline Aircraft Piston Engines Produced by Great Britain and the United States During World War II. Warrendale, Pennsylvania: SAE International, 1995.
  • Pratt & Whitney's R-1830 page
  • List of R-1830 Variants